[mapserver-users] CLASS visualization with different attribute value

[Lime, Steve D (DNR)]

The expression is invalid since 0_2_0_4_5 isn't quoted and isn't a number. Try:

  EXPRESSION ("[Combis]" = "0_2_0_4_5" AND "[Combis]" = "1_2_3_4_5")

Steve
________________________________________
From: mapserver-users-bounces at lists.osgeo.org [mapserver-users-bounces at lists.osgeo.org] On Behalf Of Simone Frigerio [simone.frigerio at univie.ac.at]
Sent: Monday, January 17, 2011 3:55 AM
To: mapserver-users at lists.osgeo.org
Subject: [mapserver-users] CLASS visualization with different attribute value

Hello,
I need to visualize a POLYGON with one class composed by different values
of the same attribute. This is the string I used, but no visualizations
occour.

 LAYER
    NAME "COMBI_DF_RF_SL"
    TYPE POLYGON
    ..
    CLASSITEM "Combis"
    CLASS
      NAME "PROVA2"
      EXPRESSION ([Combis] = 0_2_0_4_5 AND [Combis] = 1_2_3_4_5)
      STYLE
        COLOR 251 25 11
        ...
      END
    END
  END

The attribute "Combis" has thousands of recordsand different values. Could
be possible aggregate in a EXPRESSION string like i did with pixel value
for raster?

Thanks!
Simone

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